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Transforming WordPress into a Headless CMS: Essential Plugins

headless CMS
May 27, 2025||By franmastromarino

WordPress has long been the go-to platform for website development, powering over 40% of the web. It offers a user-friendly content management system (CMS) with extensive customization options through themes and plugins. However, as the digital landscape evolves, traditional WordPress setups may not always meet the demands of modern web applications. Businesses and developers are now seeking more scalable, flexible, and performance-driven solutions to enhance their online presence.

One of the most promising approaches to achieving these goals is headless WordPress development. This method involves decoupling the WordPress backend from its frontend, allowing developers to use modern JavaScript frameworks like React, Vue.js, or Next.js. By separating the content management system from the presentation layer, businesses can deliver faster, more interactive, and omnichannel experiences to their users.

In this article, we’ll explore how to use WordPress as a headless CMS, the benefits of decoupling the frontend and backend, and the essential headless WordPress plugins to facilitate this transformation. Whether you’re a developer looking to build a high-performance web app or a business owner seeking a future-proof CMS solution, this guide will provide everything you need to get started.

What is Headless WordPress?

A headless CMS separates the backend (where content is managed) from the frontend (where content is displayed). With headless WordPress CMS, WordPress still serves as the content repository, but the frontend is built using modern JavaScript frameworks like React, Vue.js, or Next.js.

By decoupling WordPress frontend and backend, developers gain greater control over the user experience, allowing them to create highly interactive and performance-optimized applications.

Benefits of Using WordPress as a Headless CMS

  1. Improved Performance: By offloading frontend rendering to a JavaScript framework, headless WordPress CMS can significantly boost speed and user experience.
  2. Omnichannel Content Delivery: Content can be pushed to websites, mobile apps, and other digital platforms simultaneously.
  3. Greater Flexibility: Developers can use any frontend technology instead of being confined to WordPress themes and PHP.
  4. Enhanced Security: A separate frontend reduces the attack surface, making websites less vulnerable to WordPress-specific threats.
  5. Scalability: Headless WordPress allows for easier scalability since the backend and frontend can be optimized independently.

Is Headless WordPress Free?

Yes, using WordPress as a headless CMS can be free, especially if you rely on native REST API or GraphQL. However, additional costs may arise from using third-party services, cloud hosting, or advanced headless CMS solutions for WordPress.

Essential Plugins for Headless WordPress Development

To transform WordPress into a headless CMS, you need the right plugins to expose content via APIs and manage authentication efficiently. Here are the best headless WordPress plugins to consider:

1. WPGraphQL

WPGraphQL is one of the most popular headless CMS solutions for WordPress. It provides a GraphQL API that allows developers to query WordPress content efficiently.

  • Key Features:
    • GraphQL schema for WordPress data
    • Faster queries compared to REST API
    • Supports custom post types, taxonomies, and metadata
    • Ideal for React, Next.js, and Vue.js applications

2. WordPress REST API

WordPress includes a built-in REST API, making it possible to retrieve and manage content as JSON data. While it’s not a plugin, enabling and extending it with additional tools can enhance functionality.

  • Key Features:
    • Native support in WordPress core
    • JSON-based API for easy integration
    • Extendable with plugins for authentication and caching

3. Advanced Custom Fields (ACF) + ACF to REST API

Advanced Custom Fields (ACF) is essential for customizing WordPress content. When combined with ACF to REST API, it enables API access to custom fields.

  • Key Features:
    • Custom field management for structured content
    • Integration with REST API for headless setups
    • Extends WordPress API to provide more detailed data

4. WP REST API Authentication

Security is a critical concern in headless WordPress development. The WP REST API Authentication plugin enhances security by adding authentication layers to API requests.

  • Key Features:
    • Supports JWT authentication
    • OAuth2 compatibility
    • Restricts API access to authorized users

5. Frontity

While not a traditional plugin, Frontity is a React-based framework designed explicitly for headless WordPress CMS. It provides a seamless connection between WordPress and modern JavaScript applications.

  • Key Features:
    • Optimized for performance and SEO
    • Server-side rendering (SSR) support
    • Easy integration with WordPress REST API

6. WP Headless CMS Framework

This plugin helps streamline the headless WordPress setup by disabling unnecessary WordPress frontend features and improving backend performance.

  • Key Features:
    • Removes themes and frontend scripts
    • Optimizes API performance
    • Enhances WordPress as a pure backend CMS

Is Headless WordPress Faster?

One of the primary reasons developers choose headless WordPress development is performance. By offloading rendering tasks to a separate frontend, load times can be significantly reduced.

However, speed improvements depend on factors such as:

  • The efficiency of your frontend framework (e.g., Next.js, Gatsby, Nuxt.js)
  • API response times (REST API vs. GraphQL)
  • Caching strategies and CDN usage

When properly configured, a headless WordPress CMS can outperform traditional WordPress websites, especially for dynamic content and high-traffic applications.

How to Set Up Headless WordPress

Step 1: Install WordPress and Enable API

Ensure you have a WordPress installation and enable the built-in REST API or install WPGraphQL.

Step 2: Choose a Frontend Framework

Popular choices include:

  • React (with Next.js or Gatsby)
  • Vue.js (with Nuxt.js)
  • Angular

Step 3: Fetch Data from WordPress

Use API endpoints to retrieve content. Example using JavaScript:

fetch(‘https://yourwebsite.com/wp-json/wp/v2/posts’)

  .then(response => response.json())

  .then(data => console.log(data));

Step 4: Deploy Frontend and Backend Separately

Host WordPress on a traditional server while deploying the frontend using platforms like Vercel, Netlify, or AWS.

Transforming WordPress into a headless CMS opens new possibilities for web development, offering speed, flexibility, and improved security. By leveraging the right headless WordPress plugins, developers can unlock the full potential of WordPress as a headless CMS.

Whether you’re building a high-performance web app, a mobile-first experience, or an omnichannel content strategy, headless WordPress development provides the tools you need to succeed. If you’re considering making the switch, start with the plugins mentioned above and experience the future of WordPress today!

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